Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N420KM - Cessna Citation X - Clay Lacy Aviation Inc N420KM - 5.1 mi away @ 46000 ft, heading ESE at 668 mph. Spotted for first time! [02:39:20 PM CST] #A4FC8C #N420KM #C750 #CLAY_LACY #N420KM #ADSB #ADSBbot